Home / 5,427.96-7,490.40-3,069.96

Finding the Fourth Proportional to 5,427.96, 7,490.40 and 3,069.96

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Solution

The fourth proportional to 5,427.96, 7,490.40 and 3,069.96 is: 4,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.96 : 7,490.40 = 3,069.96 : x
  2. Step 2: Convert to fraction form
    5,427.96/7,490.40 = 3,069.96/x
  3. Step 3: Cross multiply
    5,427.96x = 7,490.40 × 3,069.96
  4. Step 4: Simplify right side
    5,427.96x = 22,995,228.38
  5. Step 5: Solve for x
    x = 22,995,228.38/5,427.96
  6. Step 6: Final answer
    x = 4,236.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.